Details

Time bar (total: 7.2s)

sample19.0ms

Algorithm
intervals
Results
8.0ms256×body80valid

simplify200.0ms

Counts
1 → 1

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.9b

localize15.0ms

Local error

Found 1 expressions with local error:

15.5b
(/ (* (* x 2.0) y) (- x y))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
10×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity
times-frac associate-/r*
cbrt-undiv add-cube-cbrt div-exp prod-exp cbrt-unprod
associate-/r/ distribute-lft-out-- difference-of-squares
pow1 flip3-- frac-2neg clear-num flip-- div-inv associate-/l* add-log-exp
Counts
1 → 29
Calls
1 calls:
41.0ms
(/ (* (* x 2.0) y) (- x y))

series78.0ms

Counts
1 → 3
Calls
1 calls:
77.0ms
(/ (* (* x 2.0) y) (- x y))

simplify604.0ms

Counts
32 → 32

prune81.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- x y))
5.6b
(* (* x 2.0) (/ y (- x y)))

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×add-cube-cbrt associate-*r*
16×add-exp-log add-cbrt-cube
pow1 distribute-lft-out-- difference-of-squares
prod-exp cbrt-unprod
associate-/r*
associate-/r/
cbrt-undiv div-exp pow-prod-down associate-/l*
flip3-- flip-- div-inv add-log-exp
frac-2neg associate-*r/ associate-*l* clear-num *-commutative
Counts
2 → 78
Calls
2 calls:
19.0ms
(/ y (- x y))
53.0ms
(* (* x 2.0) (/ y (- x y)))

series158.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ y (- x y))
102.0ms
(* (* x 2.0) (/ y (- x y)))

simplify762.0ms

Counts
84 → 84

prune214.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x y) y)
6.1b
(/ (* x 2.0) (/ (- x y) y))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
50×add-sqr-sqrt *-un-lft-identity
30×add-cube-cbrt
22×associate-/r*
16×add-exp-log add-cbrt-cube
10×distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp
associate-/l*
div-inv
pow1 frac-2neg prod-exp clear-num cbrt-unprod associate-/l/ add-log-exp
flip3-- div-sub associate-/r/ flip--
Counts
2 → 96
Calls
2 calls:
19.0ms
(/ (- x y) y)
30.0ms
(/ (* x 2.0) (/ (- x y) y))

series131.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(/ (- x y) y)
91.0ms
(/ (* x 2.0) (/ (- x y) y))

simplify926.0ms

Counts
102 → 102

prune263.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- x y) y)
0.2b
(/ 1 (/ (/ (- x y) y) (* x 2.0)))
6.2b
(/ (/ (- x y) y) (* x 2.0))

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
269×times-frac
139×add-sqr-sqrt *-un-lft-identity
95×add-cube-cbrt
61×add-exp-log
35×div-exp add-cbrt-cube
27×associate-/r* associate-/l*
22×distribute-lft-out-- difference-of-squares
18×cbrt-undiv
13×div-inv
prod-exp
rec-exp 1-exp
pow1 cbrt-unprod
frac-2neg div-sub clear-num associate-/l/ add-log-exp
flip3-- pow-flip associate-/r/ flip-- inv-pow
Counts
3 → 225
Calls
3 calls:
18.0ms
(/ (- x y) y)
42.0ms
(/ 1 (/ (/ (- x y) y) (* x 2.0)))
39.0ms
(/ (/ (- x y) y) (* x 2.0))

series191.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(/ (- x y) y)
82.0ms
(/ 1 (/ (/ (- x y) y) (* x 2.0)))
71.0ms
(/ (/ (- x y) y) (* x 2.0))

simplify1.6s

Counts
234 → 234

prune441.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

regimes86.0ms

Accuracy

7.7% (7.1b remaining)

Error of 7.1b against oracle of 0.0b and baseline of 7.7b

bsearch66.0ms

Steps
ItersRangePoint
7
2.6261673048729477e+120
2.2644946018622366e+122
8.418806030437594e+120
7
-150189085521376.0
-5770279168793.396
-147574915232717.3

simplify445.0ms

end0.0ms

sample591.0ms

Algorithm
intervals
Results
351.0ms8000×body80valid